GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Left Side of the Instrument Panel


Object Number: 600107  Size: LF
(1)Instrument Cluster Connector
(2)Instrument Panel Cluster (IPC)
Figure 2:

Engine Oil Pressure


Object Number: 795910  Size: MF
(1)Engine Oil Pressure (EOP) Sensor
Figure 3:

Behind the Left Side of the Instrument Panel


Object Number: 600115  Size: LF
(1)Body Control Module (BCM)
(2)BCM Connectors
(3)G204
(4)G201
(5)Fuse Block I/P
(6)Horn Relay